Finding the Fourth Proportional to 72,977.27, 109,470.53 and 30,849.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,977.27 : 109,470.53 = 30,849.50 : x
2. Step 2: Convert to fraction form
   72,977.27/109,470.53 = 30,849.50/x
3. Step 3: Cross multiply
   72,977.27x = 109,470.53 × 30,849.50
4. Step 4: Simplify right side
   72,977.27x = 3,377,111,076.67
5. Step 5: Solve for x
   x = 3,377,111,076.67/72,977.27
6. Step 6: Final answer
   x = 46,276.20